v. pp. 103 and 348), showed that even for moderate heights the old notion of assuming the wind to be of uniform velocity at all altitudes was seriously in error, and that to rely upon it in the ...

Drawbacks include complaints from locals that wind turbines are ugly and noisy. The slowly rotating blades can also kill birds and bats, but not nearly as many as cars, power lines, and high-rise ...

Houston, which resulted in his two valuable books on high altitude, High Altitude ... "The journey is arduous and dangerous and the wind dreary and cold. Travellers are often attacked by fierce ...

We might be seeing wind turbines in the skies instead ... helium and can rise to 1,000 to 2,000 feet to generate power from strong, high-altitude winds. Because the turbines can access these ...